Answer:
$39
Step-by-step explanation:
Let original price be x, so we need to subtract 16 2/3 % from that to get 32.50
So we can write:
![100x-16\frac{2}{3}x=3250\\83\frac{1}{3}x=3250\\x=39](https://tex.z-dn.net/?f=100x-16%5Cfrac%7B2%7D%7B3%7Dx%3D3250%5C%5C83%5Cfrac%7B1%7D%7B3%7Dx%3D3250%5C%5Cx%3D39)
So basically, the original price was $39.
So you need to get the fraction to a percentage. Divide 100 by 5 to see how much you need to multiply the 4 by. 100/5 is 20. So you times the 4 by 20 to get 80. 80% have a cellphone so simply minus 80 from 100 to get your answer of those who don't. Therefore the answer is 20.
-1/2x+7. Because x=(y2-y1)/(x2-x1)
Answer:
m = 13.
Step-by-step explanation:
Recall that adding logarithmic equations, (ex: log a + log b) is the same as log (a·b). Therefore:
log 12 + log 5 = log (4m + 8)
log (12·5) = log (4m + 8)
log (60) = log (4m + 8) **Ignore 'Log' to solve for 'm'
60 = 4m + 8 **Subtract both sides by 8
52 = 4m **Divide both sides by 4
m = 13.
A is 11 and b is 16. for b you would plug in what you got for a for x